Johnson Power Rankings
The world authority on 200+ mile ultramarathon running — weekly, data-driven, course-difficulty-adjusted.

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Mike Shaddow

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen784747• new
OverallMen784744• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 2 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Bigfoot 200 Endurance Run · Aug 8, 2025 · 200mi continuouscounts toward rating
place 72 · 3d 12:34:07 · difficulty 2.65 · field 2.50 · quality 0.32
2,134
Tahoe 200 Mile Endurance Run · Jul 21, 2023 · 200mi continuouscounts toward rating
place 65 · 3d 22:22:40 · difficulty 2.35 · field 1.59 · quality 0.47
1,774
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
place 46 · 3d 21:19:31 · difficulty 1.95 · field 1.86 · quality 0.42
1,517